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Shower trays for healthcare facilities
Specification optionsCapital cost £/unitNet present value for 60-year life £/unitService life in years
Plastics   
Reinforced acrylic shower tray and supports, plastic minimum 8 mm thick, made with acrylic material tested to BS EN 263 and constructed to meet the performance requirements of BS 6340-5: 198334568720
Reinforced acrylic shower tray and supports, plastic minimum 5 mm thick, made with acrylic material tested to BS EN 263 and constructed to meet the performance requirements of BS 6340-5: 198324550920
Reinforced acrylic shower tray and supports, plastic minimum 2.7 mm thick, manufactured with acrylic material tested to BS EN 263 and constructed to meet the performance requirements of BS 6340-5: 198313037915
Ceramic, cast-resin stone    
Enamelled or glazed vitreous china or fireclay to BS 6340-827051325
Cast-resin stone, minimum 10 mm thick with a wearing gel coat; for example acrylic or acrylonitrile butadiene styrene (ABS)21041625
Metal   
Stainless steel shower tray. Austenitic stainless steel to BS EN 10088-1 grade 1.4301 (UK type 304), with a minimum thickness of 1.2mm before forming29555425
Enamelled pressed steel to BS 6340-732548235
Table notes
  • Costs are discounted to net present values at a discount rate of 3.5%, in line with recent Treasury guidelines.
  • Service lives represent typical average lives to enable a comparison of whole-life costs.
  • The shower tray is set in the floor in a space with ceramic tiled walls. A shower tray of 900 × 900 mm provides the basis of the cost comparisons. Shower trays installed to BS 6340–2.
  • There is a great range of styles of shower trays; the table reflects the capital costs for a basic model.
  • Maintenance costs associated with regular cleaning and condition checks are included. An allowance has been made for periodic replacement of the sealant at the junction with tray and the wall as well as cleaning and unblocking of the waste outlet trap.
  • A provisional European Standard prEN 249 is available for the specification for shower trays made from cross-linked cast acrylic material.
  • The 60-year life reflects BS ISO 15686-1:2000 Buildings and Constructed Assets. Service Life Planning. General Principles.